Does Mesenchymal Stem Cell Growth Medium XF (C‑28019) contain phenol red?

Yes. Mesenchymal Stem Cell Growth Medium XF (C‑28019) does contain phenol red.
The exact concentration is confidential.
 
Phenol red‑free alternative
PromoCell also offers a phenol red‑free variant:

• Mesenchymal Stem Cell Growth Medium XF, prf (C‑28018)

This variant is suitable for applications where phenol red may interfere, such as imaging, reporter assays, or hormone‑sensitive experiments.